IRIS
BELARDO, Francesco
 Distribuzione geografica
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Continente #
AS - Asia 1.775
NA - Nord America 1.277
EU - Europa 1.234
SA - Sud America 180
AF - Africa 86
OC - Oceania 5
Totale 4.557
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Nazione #
US - Stati Uniti d'America 1.211
SG - Singapore 1.045
RU - Federazione Russa 596
IT - Italia 421
CN - Cina 364
HK - Hong Kong 158
BR - Brasile 154
VN - Vietnam 105
CI - Costa d'Avorio 56
FI - Finlandia 52
IE - Irlanda 38
DE - Germania 37
CA - Canada 34
KR - Corea 20
GB - Regno Unito 19
AR - Argentina 17
IN - India 17
MX - Messico 16
NL - Olanda 12
UA - Ucraina 11
BD - Bangladesh 10
ID - Indonesia 10
FR - Francia 7
EC - Ecuador 6
JO - Giordania 6
MA - Marocco 6
AT - Austria 5
AU - Australia 5
RO - Romania 5
SA - Arabia Saudita 5
SE - Svezia 5
TR - Turchia 5
DZ - Algeria 4
ES - Italia 4
JM - Giamaica 4
KE - Kenya 4
PK - Pakistan 4
PL - Polonia 4
UZ - Uzbekistan 4
IQ - Iraq 3
KW - Kuwait 3
LT - Lituania 3
TH - Thailandia 3
BB - Barbados 2
BE - Belgio 2
BG - Bulgaria 2
CR - Costa Rica 2
CZ - Repubblica Ceca 2
DK - Danimarca 2
ET - Etiopia 2
IL - Israele 2
IR - Iran 2
JP - Giappone 2
PA - Panama 2
PH - Filippine 2
RS - Serbia 2
SN - Senegal 2
TT - Trinidad e Tobago 2
UG - Uganda 2
VE - Venezuela 2
AE - Emirati Arabi Uniti 1
AZ - Azerbaigian 1
BS - Bahamas 1
BW - Botswana 1
BY - Bielorussia 1
DJ - Gibuti 1
DM - Dominica 1
EG - Egitto 1
GE - Georgia 1
HU - Ungheria 1
ML - Mali 1
MU - Mauritius 1
MW - Malawi 1
NI - Nicaragua 1
NO - Norvegia 1
PE - Perù 1
PR - Porto Rico 1
PT - Portogallo 1
RE - Reunion 1
SI - Slovenia 1
SY - Repubblica araba siriana 1
TN - Tunisia 1
YE - Yemen 1
ZA - Sudafrica 1
ZM - Zambia 1
Totale 4.557
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Città #
Singapore 467
Chandler 201
Moscow 160
Hong Kong 157
Santa Clara 157
Hefei 119
Ashburn 103
Naples 83
Beijing 62
Dong Ket 46
Millbury 46
Des Moines 32
Rome 32
Los Angeles 30
Nanjing 29
Princeton 29
Boston 27
Napoli 26
Helsinki 24
Ottawa 24
Redondo Beach 24
Lawrence 23
Wilmington 23
Ho Chi Minh City 22
Buffalo 21
Seoul 20
The Dalles 16
Nanchang 13
Falkenstein 12
Hanoi 11
Shanghai 11
Boardman 10
Seattle 10
Mexico City 9
Council Bluffs 8
Frankfurt am Main 8
Jacksonville 8
Lappeenranta 8
New York 8
Redwood City 8
Woodbridge 8
Dallas 7
Hebei 7
Rio de Janeiro 7
São Paulo 7
Chicago 6
Jiaxing 6
Sant'Arpino 6
Shenyang 6
Tianjin 6
Amman 5
Changsha 5
Fairfield 5
Jinan 5
Milan 5
Nuremberg 5
Porto Alegre 5
Wuhan 5
Afragola 4
Barletta 4
Bengaluru 4
Can Tho 4
Guangzhou 4
Hangzhou 4
Indiana 4
Munro 4
Nairobi 4
North Bergen 4
Sydney 4
Warsaw 4
Xi'an 4
Aversa 3
Bangkok 3
Casal Di Principe 3
Dammam 3
Dublin 3
Florence 3
Guayaquil 3
Houston 3
Kingston 3
Kuwait City 3
Lerici 3
London 3
Manaus 3
Messina 3
Montreal 3
Norwalk 3
Panama City 3
Phoenix 3
Pisticci 3
Prineville 3
Quảng Ngãi 3
Salvador 3
Santa Maria A Vico 3
Santo André 3
Toronto 3
Zibo 3
Acerra 2
Agadir 2
Belo Horizonte 2
Totale 2.369
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Nome #
Total graph of a signed graph 157
Balancedness and the least Laplacian eigenvalue of some Complex Unit Gain Graphs 117
Graphs Whose Aα-Spectral Radius Does Not Exceed 2 112
Connected signed graphs L-cospectral to signed ∞-graphs 108
Signed Graphs with extremal least Laplacian eigenvalue 104
Edge perturbation on signed graphs with clusters: Adjacency and Laplacian eigenvalues 101
Line and subdivision graphs determined by T4-gain graphs 101
Signed graphs with strong (anti-)reciprocal eigenvalue property 97
On eigenspaces of some compound complex unit gain graphs 95
Spectra of quaternion unit gain graphs 95
Godsil-McKay switching for mixed and gain graphs over the circle group 92
Introduction to the Proceedings of WGTTG2021 91
Unbalanced Unicyclic and Bicyclic Graphs with Extremal Spectral Radius 90
The k-apex trees with minimum augmented Zagreb index 88
On the divisibility of H-shape trees and their spectral determination 86
Spectral properties of the eccentricity matrix of graphs 86
Limit points of (signless) Laplacian spectral radii of linear trees 85
The anti-adjacency matrix of a graph: Eccentricity matrix 84
Preface 83
Constructing cospectral signed graphs 83
Locating eigenvalues of unbalanced unicyclic signed graphs 79
NEPS of complex unit gain graphs 77
Wreath product of a complete graph with a cyclic graph: topological indices and spectrum 77
On Quipus whose signless Laplacian index does not exceed 4.5 76
Spectral characterizations of signed lollipop graphs 75
The minimal augmented Zagreb index of k-apex trees for k∈{1,2,3} 75
Line graphs of complex unit gain graphs with least eigenvalue -2 75
Laplacian spectral characterization of disjoint union of paths and cycles 73
A note on the signless laplacian eigenvalues of graphs 72
The general spectral radii of (multicone-)graphs with prescribed degree sequence 72
On the Laplacian coefficients of signed graphs 71
Construction of cospectral graphs, signed graphs and T-gain graphs via partial transpose 70
Balancedness and the least eigenvalue of Laplacian of signed graphs 69
Almost every complement of a tadpole graph is not chromatically unique 69
Maximal Lanzhou index of trees and unicyclic graphs with prescribed diameter 67
A lower bound for the first Zagreb index and its application 66
On signed graphs whose second largest Laplacian eigenvalue does not exceed 3 66
Computing the permanental polynomial of a matrix from a combinatorial viewpoint 66
On the multiplicity of α as an A_α (Γ)-eigenvalue of signed graphs with pendant vertices 66
Spectral characterizations of graphs with small spectral radius 64
Limit points for the spectral radii of signed graphs 62
On the spectral characterizations of 3-rose graphs 62
On graphs whose least eigenvalue is greater than –2 60
On the structure of bidegreed graphs with minimal spectral radius 59
Graphs whose signless Laplacian spectral radius does not exceed the Hoffman limit value 59
On the largest eigenvalue of some bidegreed graphs 58
Signed line graphs with least eigenvalue -2: The star complement technique 56
Open problems in the spectral theory of signed graphs 56
Spectral characterizations of signed cycles 55
A switching method for constructing cospectral gain graphs 54
Signed bicyclic graphs minimizing the least Laplacian eigenvalue 53
On graphs with exactly three Q-eigenvalues at least two 50
Infinite families of trees with equal spectral radius 49
Signless Laplacian eigenvalues and circumference of graphs 49
On graphs whose Laplacian index does not exceed 4.5 49
On the largest eigenvalue of signed unicyclic graphs 48
Spectral characterizations of graphs with at most two (signless) Laplacian eigenvalues greater than 2 48
Preface: The congress “HyGraDe 2017” and a biographical note on Mario Gionfriddo 47
Signless Laplacian spectral characterization of line graphs of T-shape trees 46
Spectral analysis of the wreath product of a complete graph with a cocktail party graph 46
Perturbations on bidegreed graphs minimizing the spectral radius 44
The International Congress on Hypergraphs, Graphs and Designs – HyGraDe 2017 43
Unified extremal results of topological indices and spectral invariants of graphs 42
Developments on the Hoffman program of graphs 41
Spectral ordering of trees with small index 41
On eigenspaces of some compound signed graphs 39
On signed graphs with at most three positive eigenvalues 7
On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number 7
Totale 4.710
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Categoria #
all - tutte 16.205
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 16.205
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2020/202187 0 0 0 0 0 7 3 3 16 4 6 48
2021/2022242 3 0 20 6 3 11 11 17 42 4 8 117
2022/2023399 57 42 6 36 60 53 3 40 66 3 29 4
2023/2024396 35 43 28 32 14 30 29 76 13 12 54 30
2024/20251.680 83 113 27 17 81 123 207 153 88 106 530 152
2025/20261.438 254 210 305 157 440 72 0 0 0 0 0 0
Totale 4.710